<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Wacai</title>
    <link rel="stylesheet" href="../css/index.css">
</head>
<body>
    <div class="background">
        <div class="card">
            <div class="head">
                <div class="header">

                </div>
            </div>
            <div class="former">
                <div>
                    <span>账号</span>
                    <i class="icon1"></i>
                    <input type="text" placeholder="请输入账号"/> 
                </div>
                <div>
                    <span>密码</span>
                    <i class="icon2"></i>
                    <input type="text" placeholder="请输入密码"/> 
                </div> 
                <div>
                    <button type="submit">注册</button>
                    <button type="submit">登录</button>
                </div>
            </div>
        </div>
    </div>
</body>
</html>
<!-- 线性渐变渐变：
1.background: linear-gradient(red,blue);从下到上
2.background: linear-gradient(to right,red,blue);从左往右
3.background: linear-gradient(to buttom,red,blue);对角渐变
4.background: linear-gradient(180deg，red,blue);角度渐变
5.background: linear-gradient(red 10%，green 85%,blue 90%);多色渐变
6.background: linear-gradient(to rght,rgba(255,0,0,0),rgba(255,0,0,1));透明度渐变
7.background: linear-gradient(red,yellow 10%,green 20%);重复渐变

径向渐变
1.background：radial-gradient(red,green,blue);同比例
1.background：radial-gradient(red 5%,green 15%,blue 60%);自定义比例
1.background：radial-gradient(circle ,red,green,blue); 环形径向渐变
 -->